Vulnerability · Published Oct 24, 2026 · Assigned by Patchstack
CVE-2026-114704WordPress Relevanssi plugin <= 4.28.4 - PHP Object Injection vulnerability
High 7.2
In plain English
A high-severity unsafe deserialization in Relevanssi from Christoph Vielgrader. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.4%top 64.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Deserialization of Untrusted Data vulnerability in Christoph Vielgrader Relevanssi relevanssi allows Object Injection.This issue affects Relevanssi : from n/a through 4.28.4.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Christoph Vielgrader | Relevanssi | 0 – through 4.28.4 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H